Home
О нас
Products
Services
Регистрация
Войти
Поиск
иван676
@иван676
July 2022
1
8
Report
1) 3(1-2х)-5(3-х)-6(3х-4)=83
2)[tex]2 x^{2} -x+1=0[/tex]
3-е уравнение на фото
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
ShirokovP
Verified answer
1)
3 - 6x - 15 + 5x - 18x + 24 = 83
- 19x + 12 = 83
- 19x = 71
x = - 71/19 = - 3 целых 14/19
2)
2x^2 - x + 1 = 0
D = 1 - 4*2 < 0
Корней на множестве действительных чисел нет
3)
Умножим обе части на 20
4(x - 2) + 5(2x - 5) + 4x + 1 = 20(4 - x)
4x - 8 + 10x - 25 + 4x + 1 = 80 - 20x
18x - 32 = - 20x + 80
18x + 20x = 80 + 32
38x = 112
x = 112/38 = 56/19 = 2 целых 18/19
1 votes
Thanks 0
рекомендуемые вопросы
rarrrrrrrr
August 2022 | 0 Ответы
o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n
danilarsentev
August 2022 | 0 Ответы
est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha
myachina8
August 2022 | 0 Ответы
najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie
ydpmn7cn6w
August 2022 | 0 Ответы
Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...
millermilena658
August 2022 | 0 Ответы
opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii
MrZooM222
August 2022 | 0 Ответы
ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi
timobila47
August 2022 | 0 Ответы
kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta
ivanyyaremkiv
August 2022 | 0 Ответы
moment. 6....
pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513
sarvinozwakirjanova
August 2022 | 0 Ответы
pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631
×
Report "tex] 3-е уравнение на фото..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
1)3 - 6x - 15 + 5x - 18x + 24 = 83
- 19x + 12 = 83
- 19x = 71
x = - 71/19 = - 3 целых 14/19
2)
2x^2 - x + 1 = 0
D = 1 - 4*2 < 0
Корней на множестве действительных чисел нет
3)
Умножим обе части на 20
4(x - 2) + 5(2x - 5) + 4x + 1 = 20(4 - x)
4x - 8 + 10x - 25 + 4x + 1 = 80 - 20x
18x - 32 = - 20x + 80
18x + 20x = 80 + 32
38x = 112
x = 112/38 = 56/19 = 2 целых 18/19